Call of Duty: Modern Warfare 2 included an optional mission called "No Russian" in which players joined Russian terrorists in an airport massacre. Players could choose to shoot into the crowd or not, or the level could be skipped entirely.
Controversy ensued as many thought this was training players to commit mass murder and terrorism while the developers argued that their goal was to evoke the horror of terrorism. A scriptwriter for the game <a href="http://en.wikipedia.org/wiki/Controversies_surrounding_Call_of_Duty:_Modern_Warfare_2#.22No_Russian.22_Mission">reportedly said</a> the intent was to make the scene "upsetting, disturbing, but also something people would relate to